What is Fermilab? - Run II Newscasts - Analyze the Data - Particle Physics Bibliography
Detectors are made of many layers specialized to identify and record information about the many particles that result from a collision of a proton and an antiproton. A sphere would be the best shape to surround the collision point, but it is cheaper to make cylindrical detectors. Because the particles in the Fermilab accelerator have so much energy, detectors may be 3-5 stories high.
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The layers of a generic detector: |